7 SP 1,2 Random and Non Random Sampling

A school randomly chose ten English teachers and asked them which type of juice their students would prefer. Which reason best shows why this sample is biased?

• The sample didn't include students.
• The sample is too small.
• The sample can only be accurate if each teacher is included in the sample

Tags

CCSS.7.SP.A.1

At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the least biased decision?

• to randomly ask 8th grade students who went on a field trip last year
• to randomly choose some 7th grade students to select a location
• to ask all 7th grade teachers and administrators for a location
• to ask the student council to choose a location

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

_________ is a sample in which each individual or object in the entire population has an equal chance of being selected.

• Sample

• Population

• Random Sample

• Quartile

Tags

CCSS.HSS.IC.B.3

_______ is the entire group of objects or individuals considered for a survey.

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

According to a random telephone survey of 200 adults, 75% of all working adults in the U.S. are satisfied with their current job. What is the population in this survey?

• 200 adults
• adults in the U.S.
• 75% of adults

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

According to a random telephone survey, 85% of all working adults in the U.S. are satisfied with their current job. If I asked 500 adults, how many do you predict would be satisfied with their current job?

• 85 adults
• 340 adults
• 500 adults
• 425 adults

Tags

CCSS.7.SP.C.6

Gio surveys 40 Quick Trip employees. He reports that 5 out of 15 fast-food employees are satisfied with their hourly pay rate. What percentage of employees are happy with their pay rate?

• 40%
• 33%
• 12.5%
• 38%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

A sportswriter wants to know how strongly Toledo residents support the Toledo MudHens baseball team. She stands outside the stadium one summer day to interview the first 20 people that enter the stadium. The population for this survey is...

• all people at the game
• all MudHens fans
• all Toledo residents
• everyone in the world

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Is the sample in question nine a random sample or a biased sample?

• Random Sample

• Biased Sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1